CO

CO: The abbreviated term for Commanding Officer, employed colloquially perhaps more often than "OC" (Officer Commanding). An officer of whatever rank, though referred to familiarly as the "CO" would sign officially "OC" whatever his command might be. [1]

The above term is listed in our glossary of words and phrases of the Armed Forces of the United Kingdom of Great Britain during the Great War, which also includes: technicalities, trench slang, expressions in everyday use, nicknames, sobriquets, the titles and origins of British and CommonwealthRegiments, and warfare in general. These words and phrases are contemporary to the war, which is reflected in the language used, and have been transcribed from three primary sources (see contents). Feel free to help improve this content.
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